// date.js
export function formatDate(time) {
  let date = new Date(time);
    var y = date.getFullYear(); 
    var m = date.getMonth() + 1;  
        m = m < 10 ? ('0' + m) : m;  
    var d = date.getDate();  
        d = d < 10 ? ('0' + d) : d;  
    var h = date.getHours();  
        h=h < 10 ? ('0' + h) : h;  
    var minute = date.getMinutes();  
        minute = minute < 10 ? ('0' + minute) : minute;  
    // var second=date.getSeconds();  
    //     second=second < 10 ? ('0' + second) : second;  
    // return  y + '-' + m + '-' + d+' '+h+':'+minute+':'+second; 
    return  y + '-' + m + '-' + d+' '+h+':'+minute; 
 
}
export function formatDateBirthday(time) {
  let date = new Date(time);
    var y = date.getFullYear(); 
    var m = date.getMonth() + 1;  
        m = m < 10 ? ('0' + m) : m;  
    var d = date.getDate();  
        d = d < 10 ? ('0' + d) : d;  
    
    return  y + '-' + m + '-' + d; 
}
export function trimDate(time, pattern) {
    if (arguments.length === 0 || !time) {
        return null
    }
    const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
    let date
    if (typeof time === 'object') {
        date = time
    } else {
        if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
            time = parseInt(time)
        } else if (typeof time === 'string') {
            time = time.replace(new RegExp(/-/gm), '/');
        }
        if ((typeof time === 'number') && (time.toString().length === 10)) {
            time = time * 1000
        }
        date = new Date(time)
    }
    const formatObj = {
        y: date.getFullYear(),
        m: date.getMonth() + 1,
        d: date.getDate(),
        h: date.getHours(),
        i: date.getMinutes(),
        s: date.getSeconds(),
        a: date.getDay()
    }
    const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
        let value = formatObj[key]
        // Note: getDay() returns 0 on Sunday
        if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
        if (result.length > 0 && value < 10) {
            value = '0' + value
        }
        return value || 0
    })
    return time_str
}